 /* EN: Base styling for body and container // IT: Stili base per il body e il container */
    body {
      background-color: #f8f9fa;
      padding-top: 60px;
      padding-bottom: 80px;
    }
    .container {
      max-width: 1000px;
    }
    h1, h2 {
      text-align: center;
    }
    /* EN: Styling for Join Room form // IT: Stile per il form di accesso alla stanza */
    #joinRoomSection {
      max-width: 500px;
      margin: 0 auto;
    }
    /* EN: Layout for the study room (once joined) // IT: Layout per la study room, dopo l'accesso */
    #studyRoom {
      display: none;
    }
    #activeUsers {
      max-height: 400px;
      overflow-y: auto;
    }
    /* EN: Styling for active user cards // IT: Stile per le card degli utenti attivi */
    .user-card {
      display: flex;
      align-items: center;
      margin-bottom: 10px;
      padding: 5px;
      background: #fff;
      border-radius: 5px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    .user-card img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      margin-right: 10px;
    }
    /* EN: Chat area styling // IT: Stile per l'area chat */
    #chatMessages {
      border: 1px solid #dee2e6;
      border-radius: 5px;
      background: #fff;
      height: 300px;
      overflow-y: auto;
      padding: 10px;
    }
    .chat-message {
      margin-bottom: 10px;
      padding: 5px;
      background-color: #e9ecef;
      border-radius: 4px;
    }
    /* EN: Study timer styling // IT: Stile per il timer di studio */
    #timerDisplay {
      font-size: 2rem;
      text-align: center;
      margin-bottom: 10px;
    }
    /* EN: Fixed footer styling // IT: Stile per il footer fisso */
    footer {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background-color: #343a40;
      color: #fff;
      text-align: center;
      padding: 10px 0;
      font-size: 0.9rem;
    }
